function open_chat() {

window.open('http://chat.livechatinc.net/licence/1023649/open_chat.cgi?groups=0'+'&s=1&lang=pl&dc='+escape(document.cookie+';l='+document.location+';r='+document.referer+';s='+typeof lc_session),'Czat_1023649','width=604,height=247,resizable=no,scrollbars=no,status=1');
}

function open_chat_en() {

window.open('http://chat.livechatinc.net/licence/1023649/open_chat.cgi?groups=0'+'&s=1&lang=en&dc='+escape(document.cookie+';l='+document.location+';r='+document.referer+';s='+typeof lc_session),'Czat_1023649','width=604,height=247,resizable=no,scrollbars=no,status=1');
}